links

www.albersfoundation.org

www.maxbill.ch

www.miesvanderrohehaus.de

www.orthogonal.bg

www.mondriaanhuis.nl

www.vanbommelvandam.nl

www.museumwaterland.nl

www.museumbelvedere.nl

www.dr-julius.de

www.ideelart.com

http://www.theartsection.com/albers---color

http://www.artnet.com/artists/jose-heerkens/